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  • Oxford University Press (OUP)  (4)
  • 1
    Online Resource
    Online Resource
    COT-05 A CASE OF NEPALESE IN JAPAN SUSPECTED OF NEUROCYSTICERCOSIS
    Oxford University Press (OUP) ; 2019
    In:  Neuro-Oncology Advances Vol. 1, No. Supplement_2 ( 2019-12-16), p. ii41-ii41
    Details
    In: Neuro-Oncology Advances, Oxford University Press (OUP), Vol. 1, No. Supplement_2 ( 2019-12-16), p. ii41-ii41
    Abstract: Cystosis is the most common parasitic disease of the central nervous system. Especially in developing countries, it is one of the differential diagnosis of diseases that cause seizures. We report a case of a foreigner suspected of having neurocysticercosis. CASE A 36-year-old Nepalese visiting Japan for 2 years. Two days ago, she lost consciousness for a few seconds and was transferred to our hospital complaint of convulsions for about 1 minute. Head Computed Tomography (CT) revealed a mass lesion with a ring enhancement effect of about 10 mm in the right frontal lobe, with edema around it. Magnetic Resonance Imaging (MRI) shows T1WI low signal, T2WI high signal, and diffusion-weighted image with a light high signal. The ring-shaped enhancement effect was exhibited. Whole body CT showed no obvious lesions and blood tumor markers were negative. Various infections were negative, and cerebrospinal fluid cytology and culture were negative. POSTOPERATIVE COURSE From the surgical findings, brain abscesses such as cerebral tuberculoma were suspected, but various tests were negative. As a pathological result, the tumor had a capsule, and the inside showed necrotic tissue and fibrous granulation tissue reaction. There were no insects, and no obvious cells were identified by special staining. From the origin area, symptoms, and pathological findings, neurocysticercosis was most suspected. CONCLUSION We experienced a case of suspected neurocysticercosis that was difficult to diagnose from images and pathological findings. In neurocysticercosis, when the worm body dies, contrast-enhanced MRI shows a ring-like enhancement effect, and it is accompanied by surrounding edema, which may require differentiation from brain tumors.
    Type of Medium: Online Resource
    ISSN: 2632-2498
    URL: Article
    DOI: 10.1093/noajnl/vdz039.188
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2019
    detail.hit.zdb_id: 3009682-0
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  • 2
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    MET-04 A case of Brain Metastases with repeated bleeding from Esophageal carcinoma
    Oxford University Press (OUP) ; 2020
    In:  Neuro-Oncology Advances Vol. 2, No. Supplement_3 ( 2020-11-28), p. ii19-ii19
    Details
    In: Neuro-Oncology Advances, Oxford University Press (OUP), Vol. 2, No. Supplement_3 ( 2020-11-28), p. ii19-ii19
    Abstract: Brain metastases from esophageal cancer is rare and the incidence has been reported at approximately 5%. We report a case of brain metastases with repeated bleeding from Esophageal carcinoma. The case is a 76-year-old man. Three years ago he was diagnosed with small cell carcinoma of the esophagus by endoscopic biopsy. Metastasis was found only in the cervical lymph node, but the condition was stable by chemoradiotherapy and no metastases were found throughout the body before 1 month. He was admitted to the hospital because of a sudden convulsion, and CT scan revealed cerebral hemorrhage in the right frontal lobe. We performed conservative treatment, but rebleeding was observed from the same site repeatedly after 1 month and 2 months. Due to the influence of bleeding, it was difficult to distinguish cerebral hemorrhage from brain tumor by contrast MRI. After surgery, the cause of bleeding was diagnosed as metastatic brain tumor of esophageal small cell carcinoma. Postoperative radiation therapy was performed in another hospital, but rebleeding was observed 3 months after the operation. A reoperation was performed at another hospital, and a recurrence of metastatic brain tumor was diagnosed. In the case of highly malignant metastatic brain tumors, it was considered necessary to frequently follow the images.
    Type of Medium: Online Resource
    ISSN: 2632-2498
    URL: Article
    DOI: 10.1093/noajnl/vdaa143.082
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
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  • 3
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    Online Resource
    CS-08 A CASE OF CD 57 NEGATIVE OLFACTORY GROOVE SCHWANNOMA IN WHICH SCHWANN / 2 E AND SOX10 WAS USEFUL FOR DISTINGUISHING FROM OEC TUMOR: A CASE REPORT AND REVIEW OF THE LITERATURES
    Oxford University Press (OUP) ; 2019
    In:  Neuro-Oncology Advances Vol. 1, No. Supplement_2 ( 2019-12-16), p. ii39-ii39
    Details
    In: Neuro-Oncology Advances, Oxford University Press (OUP), Vol. 1, No. Supplement_2 ( 2019-12-16), p. ii39-ii39
    Abstract: In the case of the differentiate between olfactory groove schwannomas(OGS) and olfactory ensheathing cell (OEC) tumors, CD57 which is the marker which is specific for Schwann cell is useful. We experienced a case of OGS that was negative for CD57. CASE PRESENTATION This case was a 13-year-old girl. Medical history: She visited the pediatric department with a chief complaint of headache. On the magnetic resonance image (MRI), a tumorous lesion was found in the anterior skull base and was referred to our department. No dysosmia, visual impairment, or cafe au lait spots were observed. Past history: As a medical history, she has developed acute lymphocytic leukemia at the age of 1 and has achieved complete remission after chemotherapy. At that time, radiation treatment to the head was not performed. Neuroradiological findings: The tumor was strongly enhanced heterogeneously in Gadolinium (Gd) enhanced MRI and the angiography showed hypovascular. Progress after hospitalization: The tumor was clearly demarcated from the surrounding brain surface and adhered strongly to the cribriform plate. Eventually, all tumors were removed and the patient was discharged on the 10th postoperative day. Five years have passed since the operation, and no recurrence of the tumor has been confirmed by MRI. Pathological findings: Antoni A and Antoni B were seen by Hematoxylin & Eosin (H & E) staining. Immunostaining showed S-100 strong positive, Schwann / 2E and Sox10 positive, and CD57 negative. Discussion: In our case, CD57 (Leu7) was negative, but Schwann / 2E and Sox10 were positive, so OGS was diagnosed. CONCLUSION We experienced a case of OGS that was negative for CD57 (Leu7) but positive for Schwann / 2E and Sox10. For pathological differentiation between OGS and the OEC tumor, Schwann / 2E and Sox10 immunostaining would also be necessary in addition to H & E stain and CD57 (Leu7).
    Type of Medium: Online Resource
    ISSN: 2632-2498
    URL: Article
    DOI: 10.1093/noajnl/vdz039.179
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2019
    detail.hit.zdb_id: 3009682-0
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  • 4
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    Online Resource
    A huge hepatic angiomyolipoma with growth during 5 years of follow-up
    Oxford University Press (OUP) ; 2020
    In:  Journal of Surgical Case Reports Vol. 2020, No. 9 ( 2020-09-01)
    Details
    In: Journal of Surgical Case Reports, Oxford University Press (OUP), Vol. 2020, No. 9 ( 2020-09-01)
    Abstract: A 45-year-old woman was referred to our hospital with a huge liver tumor that had been diagnosed as a hepatic angiomyolipoma (HAML) 5 years previously. At the time of referral, it had enlarged from 12 to 20 cm within the previous 5 years and become symptomatic. Enhanced computed tomography revealed a very large, well-defined, low-density mass occupying the entire right lobe of the liver. The patient underwent right hemi-hepatectomy. The resected specimen weighed 1620 g and measured 20 × 14 × 8 cm. The pathological diagnosis was confirmed as benign HAML. The estimated growth rate of this tumor was 44% per year with a doubling time of 826 days. Although the majority of HAMLs are stable lesions, resection should perhaps be considered when the tumor is known to be growing and exceeds 6 cm in diameter, even if it has been diagnosed as benign.
    Type of Medium: Online Resource
    ISSN: 2042-8812
    URL: Article
    DOI: 10.1093/jscr/rjaa353
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 2580919-2
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